When more fire engines respond to a fire, there is more damage. Should we outlaw fire engines too?
This doesn't mean that sleep and lifespan are directly related. They need to look further at the activities of the people. Perhaps the people with less sleep get more exercise...
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When more fire engines respond to a fire, there is more damage. Should we outlaw fire engines too?
This doesn't mean that sleep and lifespan are directly related. They need to look further at the activities of the people. Perhaps the people with less sleep get more exercise...